Home / 1,212,584.04-1,818,375.62-413,930

Finding the Fourth Proportional to 1,212,584.04, 1,818,375.62 and 413,930

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Solution

The fourth proportional to 1,212,584.04, 1,818,375.62 and 413,930 is: 620,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,584.04 : 1,818,375.62 = 413,930 : x
  2. Step 2: Convert to fraction form
    1,212,584.04/1,818,375.62 = 413,930/x
  3. Step 3: Cross multiply
    1,212,584.04x = 1,818,375.62 × 413,930
  4. Step 4: Simplify right side
    1,212,584.04x = 752,680,220,386.60
  5. Step 5: Solve for x
    x = 752,680,220,386.60/1,212,584.04
  6. Step 6: Final answer
    x = 620,724.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.